The Excellart Wall Mount Hinged kit with FF and H-1 Retainers is designed and engineered for quick assembly of a single rigid face aluminum sign cabinet. This kit assembles into a 2.99″ deep cabinet and features an integrated hinged design on the top, providing convenient access into the inside of the sign cabinet for quick installation and removal of sign faces, changeable copy, power supplies, and other internally housed components, making maintenance and customization more efficient.